There are 50 students enrolled in Mathematics Course. Of the enrolled students, 90% took the final exam. Two-thirds of the students who took the final exam passed the final exam. How many students passed the final exam?
Volume of a water tank is 192 cubic feet. Its length, breadth & height are in proportions 4:3:2. What is the area of its base in square feet?
A club has 8 male and 8 female members. The club is choosing a committee of 6 members. The committee must have 3 male and 3 female members. How many different committees can be chosen?
In a survey conducted, it was found that 65% of the people watched the news in television, 40% read a news paper, 25% read a news paper and watched the news on television. What percent of the people surveyed neither watched the news on television nor read a newspaper?
A certain animal in the zoo has consumed 39 pounds of food in six days. If it continues to eat at the same rate, in how many more days will its total consumption be 91 pounds?
A triangle has a perimeter 13. The two shorter sides have integer lengths equal to x and x + 1. Which of the following could be the length of the other side?
How much money you must invest for two years to receive an interest of Tk. 10.50 at an annual compounding rate of interest of 10%.
Three apples and Four oranges cost Tk. 64. Four apples and Three oranges cost Tk.62. One apple, One orange and One papaya cost Tk. 28. What is the cost of papaya in Taka?
If the ratio of the area of two squares is 2: 1, then the ratio of the perimeters of the square is
If value of a certain fraction is equal to 0.4 and the denominator is 15, then the numerator of the fraction is
If 8 men can do a job in 12 days, what is the percentage change in the number of days required to do the job when 2 men are released?
Which of the following fractions is the smallest?
If a circle has a radius 4, and if P and Q are points on the circumference, then the maximum length of an arc which could separate P and Q is
A business man buys a pen for Tk. 25.00. He spends Tk.15.00 to have it restored to good condition and then sells the same for Tk. 50.00. The percentage of profit on his total investment is
২০%
২৫%
৪০%
100%
If a > b > c then which of the followings must be true?
How many pounds of pure salt must be added to 30 pounds of a 2% solution of salt and water to increase it to a 10% solution?
A Coat of Tk. 400 sells for how much after successive discounts of 10% and 5% ?
What number must be added to (x2 - 18x) to make the result a perfect square?
An investor invests 30%, 40%, 20% and 10% of his total investable amount in four different shares of stock giving returns of 15%, 20%, 12% and 10% respectively. What is the average rate of his returns?
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